build: "popcount" name conflict on NetBSD #28983

Problem:
    NetBSD's libc already has a function by the same name.

Solution:
    Rename popcount to xpopcount and add #if defined(__NetBSD__) to
prefer NetBSD's own implementation.  This fixes #28983.
This commit is contained in:
Malte Dehling 2024-05-27 04:14:57 -07:00 committed by GitHub
parent 9a0239fdc8
commit 104800ce2e
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2 changed files with 8 additions and 6 deletions

View File

@ -2354,8 +2354,8 @@ void nvim__redraw(Dict(redraw) *opts, Error *err)
}
}
int count = (win != NULL) + (buf != NULL);
VALIDATE(popcount(opts->is_set__redraw_) > count, "%s", "at least one action required", {
unsigned count = (win != NULL) + (buf != NULL);
VALIDATE(xpopcount(opts->is_set__redraw_) > count, "%s", "at least one action required", {
return;
});

View File

@ -78,13 +78,15 @@ int xctz(uint64_t x)
}
/// Count number of set bits in bit field.
int popcount(uint64_t x)
unsigned xpopcount(uint64_t x)
{
// Use compiler builtin if possible.
#if defined(__clang__) || defined(__GNUC__)
return __builtin_popcountll(x);
#if defined(__NetBSD__)
return popcount64(x);
#elif defined(__clang__) || defined(__GNUC__)
return (unsigned)__builtin_popcountll(x);
#else
int count = 0;
unsigned count = 0;
for (; x != 0; x >>= 1) {
if (x & 1) {
count++;